Section 5
Monitoring
5.1
Gas medium supervision SSIMG
GUID-358AD8F8-AE06-4AEA-9969-46E5299D5B4B v3
5.1.1
Identification
GUID-AD96C26E-C3E5-4B21-9ED6-12E540954AC3 v4
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Insulation gas monitoring function
SSIMG
-
63
5.1.2
Application
GUID-A840E38C-CC42-4995-A569-A6092DDB81B2 v5
Gas medium supervision (SSIMG) is used for monitoring the circuit breaker condition. Proper
arc extinction by the compressed gas in the circuit breaker is very important. When the
pressure becomes too low compared to the required value, the circuit breaker operation shall
be blocked to minimize the risk of internal failure. Binary information based on the gas
pressure in the circuit breaker is used as an input signal to the function. The function
generates alarms based on the received information.
5.1.3
Setting guidelines
GUID-DF6BEC98-F806-41CE-8C29-BEE9C88FC1FD v3
The parameters for Gas medium supervision SSIMG can be set via Protection and Control
Manager PCM600.
Operation: This is used to disable/enable the operation of gas medium supervision i.e. Off/On.
PresAlmLimit: This is used to set the limit for a pressure alarm condition in the circuit breaker.
PresLOLimit: This is used to set the limit for a pressure lockout condition in the circuit breaker.
TempAlarmLimit: This is used to set the limit for a temperature alarm condition in the circuit
breaker.
TempLOLimit: This is used to set the limit for a temperature lockout condition in the circuit
breaker.
tPressureAlarm: This is used to set the time delay for a pressure alarm indication, given in s.
tPressureLO: This is used to set the time delay for a pressure lockout indication, given in s.
tTempAlarm: This is used to set the time delay for a temperature alarm indication, given in s.
tTempLockOut: This is used to set the time delay for a temperature lockout indication, given in
s.
tResetPressAlm: This is used for the pressure alarm indication to reset after a set time delay in
s.
tResetPressLO: This is used for the pressure lockout indication to reset after a set time delay
in s.
tResetTempLO: This is used for the temperature lockout indication to reset after a set time
delay in s.
1MRK 511 445-UEN B
Section 5
Monitoring
Switchgear control unit SAM600-IO
43
Application manual
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